Dormer approval rate in Derby

Derby approved 82.6% of dormer applications, based on 236 decisions analysed.

Last updated: August 2026

82.6%

dormer approval rate

236

Dormer decisions

195

Approved

Refused

92.8%

Derby overall

Dormer applications are refused more often than the Derby average (92.8%), suggesting the council scrutinises these projects more closely.

How dormer compares in Derby

Dormer (236 decided)

82.6%

Derby all applications (4,739 decided)

92.8%

Planning a dormer in Derby?

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Other project types in Derby

Rear Extension (1,677 decided)

96.0%

Side Extension (956 decided)

94.6%

Garage / Parking (576 decided)

93.6%

Change of Use (Residential) (426 decided)

88.5%

Front Extension (340 decided)

91.8%

Wraparound Extension (266 decided)

94.4%

Outbuilding (215 decided)

89.8%

New Build (208 decided)

86.5%

Extension (General) (193 decided)

91.2%

HMO (180 decided)

86.7%

Conservatory (55 decided)

89.1%

Annex (32 decided)

71.9%

Hip-to-Gable Conversion (20 decided)

70.0%

Basement (18 decided)

94.4%

Loft Conversion (15 decided)

86.7%

← All Derby planning statistics

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